1 files changed, 37 insertions, 0 deletions
diff --git a/common/debug.js b/common/debug.js
new file mode 100644
index 0000000..b192862
--- /dev/null
+++ b/common/debug.js
@@ -0,0 +1,37 @@
+/**
+* GNU LibreJS - A browser add-on to block nonfree nontrivial JavaScript.
+* *
+* Copyright (C) 2017, 2018 Nathan Nichols
+* Copyright (C) 2018 Ruben Rodriguez <ruben@gnu.org>
+* Copyright (C) 2022 Yuchen Pei <id@ypei.org>
+*
+* This file is part of GNU LibreJS.
+*
+* GNU LibreJS is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* GNU LibreJS is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with GNU LibreJS.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+const makeDebugLogger = (origin, enabled, time) => {
+  return (a, b) => {
+    if (enabled) {
+      console.log('[' + origin + '] Time spent so far: ' + (Date.now() - time) / 1000 + ' seconds');
+      if (b === undefined) {
+        console.log(a);
+      } else {
+        console.log(a, b);
+      }
+    }
+  }
+}
+
+module.exports = { makeDebugLogger };